Iris Out

❧

Wikipedia

"Iris Out"
Single by Kenshi Yonezu
A-side"Jane Doe"
ReleasedSeptember 24, 2025 (2025-09-24)
Length2:32
LabelSME
SongwriterKenshi Yonezu
ProducerKenshi Yonezu
Kenshi Yonezu singles chronology
"Plazma" / "Bow and Arrow"
(2025)		 "Iris Out" / "Jane Doe"
(2025)		 "1991"
(2025)
Music video
"Iris Out" on YouTube

"Iris Out" is a song recorded by Japanese singer-songwriter Kenshi Yonezu. Released digitally on September 15, 2025, via SME Records, "Iris Out" served as the opening theme song for the Japanese animated film Chainsaw Man – The Movie: Reze Arc. The song was later released physically on September 24, 2025, alongside "Jane Doe", the closing theme song, as a double A-side maxi single.

Background

Kenshi Yonezu's single "Kick Back", used as the opening theme song for the anime adaptation of Chainsaw Man, saw global commercial success upon its release. Becoming the first song recorded in Japanese to receive a Gold certification from the Recording Industry Association of America (RIAA),[1] "Kick Back" charted in various territories, including the Billboard Hot Rock & Alternative Songs chart, the UK Rock & Metal chart and the Canadian Hot 100.

In a press release on July 4, 2025, Kenshi Yonezu announced he recorded "Iris Out", the opening theme song for the Japanese animated film Chainsaw Man – The Movie: Reze Arc.[2] On August 1, the release date of "Iris Out" was announced for September 24, as a double A-side single with an untitled song.[3] The title for the untitled song was revealed on August 14, "Jane Doe", a collaboration single with Japanese-American singer Hikaru Utada.[4] In a press release, "Jane Doe" was revealed as the ending theme song for the film.[5]

Release

"Iris Out" was digitally released on September 15, 2025. The song was later released physically on September 24, 2025, alongside "Jane Doe", as a double A-side single. Three variants were released: the regular edition, the Iris Out edition and the Jane Doe edition. The Iris Out variant includes an acrylic stand and a Polaroid photo of the character Reze from Chainsaw Man as bonus goods, while the Jane Doe version consists of a DVD of the "Kick Back" music video and a live performance video.[6] First press bonuses for all variants include a serial number for a lottery in winning tickets to Yonezu's 2026 Ghost Tour.

Music video

A music video was released on September 15, 2025, on Yonezu's official YouTube channel, using footage from the film. Billboard Japan reported that it contains some spoilers from the movie.[7]

Track listing

  • Digital download and streaming
  1. "Iris Out" – 2:32
  • CD
  1. "Iris Out" – 2:31
  2. "Jane Doe" – 3:55
  • Jane Doe DVD
  1. "Chainsaw Man – The Movie: Reze Arc" (trailer) – 1:29
  2. "Kick Back" (music video) – 3:39
  3. "Kick Back" (live video) – 3:13
  • Vinyl LP
  1. "Iris Out"
  2. "Jane Doe"
  3. "Kick Back"
  4. "Kick Back" (Frost Children remix)
  5. "Kick Back" (Hudson Mohawke remix)
  6. "Kick Back" (Tomggg remix)

Personnel

Charts

Certifications

Certifications for "Iris Out"
Region CertificationCertified units/sales
Japan (RIAJ)[23]
with "Jane Doe" 		Platinum 250,000^
Streaming
Japan (RIAJ)[24] Gold 50,000,000†

^ Shipments figures based on certification alone.
† Streaming-only figures based on certification alone.

Release history

Release history and formats for "Iris Out"
Region Date Format Version Label Ref.
Various September 15, 2025 Digital SME [25]
Japan September 24, 2025 CD Standard [26]
Iris Out [27]
 Jane Doe [28]
Various February 27, 2026 LP Vinyl Milan [29]

References

  1. ↑ "米津玄師インタビュー｜「KICK BACK」米レコード協会ゴールド認定に寄せて - 音楽ナタリー 特集・インタビュー". Natalie Music (in Japanese). November 2, 2023. Retrieved August 17, 2025.
  2. ↑ "劇場版「チェンソーマン レゼ篇」主題歌は米津玄師、音源入り本予告を公開（動画あり / コメントあり）". Natalie Music (in Japanese). July 4, 2025. Retrieved August 17, 2025.
  3. ↑ 多木汐里 (August 1, 2025). "米津玄師、劇場版『チェンソーマン レゼ篇』主題歌「IRIS OUT / （未定）」ダブルA面シングル発売決定＋描き下ろしジャケット公開". Barks (in Japanese). Retrieved August 17, 2025.
  4. ↑ "米津玄師×宇多田ヒカルがコラボ、劇場版『チェンソーマン』EDテーマの新曲「JANE DOE」(両名コメントあり)". Billboard Japan (in Japanese). Retrieved August 17, 2025.
  5. ↑ "劇場版『チェンソーマン レゼ篇』ED主題歌発表 米津玄師×宇多田ヒカル「JANE DOE」". Oricon. August 14, 2025. Retrieved August 17, 2025.
  6. ↑ 川添 (August 14, 2025). "米津玄師と宇多田ヒカルコラボ楽曲『JANE DOE』が『チェンソーマン レゼ篇』EDに！アー写公開". Edge Line (in Japanese). Retrieved August 17, 2025.
  7. ↑ "米津玄師、「IRIS OUT」MVは劇場版『チェンソーマン レゼ篇』本編映像にて構成 Spotifyリスニングパーティー開催も決定". Billboard Japan (in Japanese). September 15, 2025. Retrieved September 15, 2025.
  8. ↑ "Kenshi Yonezu Chart History (Global 200)". Billboard. Retrieved September 30, 2025.
  9. ↑ "Kenshi Yonezu Chart History (Hong Kong Songs)". Billboard. Retrieved October 14, 2025.
  10. ↑ "Billboard Japan Hot 100 – Week of September 24, 2025". Billboard Japan (in Japanese). Retrieved September 24, 2025.
  11. ↑ "Billboard Japan Hot Animation – Week of September 24, 2025". Billboard Japan (in Japanese). Retrieved September 24, 2025.
  12. ↑ Oricon Weekly Single Ranking – 2025-10-06 Oricon News. Retrieved October 1, 2025.
  13. ↑ "Oricon Top 50 Combined Singles: 2025-10-06" (in Japanese). Oricon. Archived from the original on October 2, 2025. Retrieved October 2, 2025.
  14. ↑ "Oricon Top 20 Anime Singles: 2025-10-06" (in Japanese). Oricon. Archived from the original on October 8, 2025. Retrieved October 8, 2025.
  15. ↑ "Official Hot 40 Singles". Recorded Music NZ. October 31, 2025. Retrieved October 31, 2025.
  16. ↑ "Circle Digital Chart – Week 42 of 2025". Circle Chart (in Korean). October 12–18, 2025. Retrieved October 23, 2025.
  17. ↑ "The Official Singapore Charts Week 41 (3 - 9 Oct 2025)". RIAS. Archived from the original on October 14, 2025. Retrieved October 14, 2025.
  18. ↑ "Kenshi Yonezu Chart History (Taiwan Songs)". Billboard. Retrieved October 7, 2025.
  19. ↑ "Kenshi Yonezu Chart History (World Digital Song Sales)". Billboard. Retrieved November 4, 2025.
  20. ↑ "Oricon Top 50 Singles: 2025-09". Oricon. Archived from the original on October 8, 2025. Retrieved October 8, 2025.
  21. ↑ "Oricon Top 10 Anime Singles: 2025-09". Oricon. Archived from the original on October 8, 2025. Retrieved October 8, 2025.
  22. ↑ "Digital Chart – September 2025". Circle Chart (in Korean). Retrieved October 9, 2025.
  23. ↑ "Japanese single certifications – 米津玄師 – IRIS OUT / JANE DOE" (in Japanese). Recording Industry Association of Japan. Retrieved October 10, 2025. Select 2025年9月 on the drop-down menu
  24. ↑ "Japanese single streaming certifications – 米津玄師 – IRIS OUT" (in Japanese). Recording Industry Association of Japan. Retrieved October 31, 2025. Select 2025年9月 on the drop-down menu
  25. ↑ "米津玄師「IRIS OUT」のMV公開、劇場版「チェンソーマン レゼ篇」本編映像あり（動画あり）". Natalie Music (in Japanese). Retrieved September 24, 2025.
  26. ↑ "IRIS OUT / JANE DOE [Regular Edition] Kenshi Yonezu CD Maxi". CDJapan. Retrieved August 17, 2025.
  27. ↑ "IRIS OUT / JANE DOE [IRIS OUT Edition / Limited Edition with bonus collectible(s)] Kenshi Yonezu CD Maxi". CDJapan. Retrieved August 17, 2025.
  28. ↑ "IRIS OUT / JANE DOE [JANE DOE Edition / Limited Edition with DVD] Kenshi Yonezu CD Maxi". CDJapan. Retrieved August 17, 2025.
  29. ↑ "Kenshi Yonezu - IRIS OUT / JANE DOE". Milan Records. Archived from the original on November 5, 2025. Retrieved November 5, 2025.